1: (0 7 9)

(0)(1 18 3)(2 5 4)(6 10 8)(7 17 16 11 9 14 12)(13 19 15)

2: (6 10 8)

(0)(1 18 3)(2 5 4)(6)(7 17 16 11 9 14 12)(8)(10)(13 19 15)

3: (9 14 17)

(0)(1 18 3)(2 5 4)(6)(7 17 12)(8)(9 16 11)(10)(13 19 15)(14)

4: (13 19 15)

(0)(1 18 3)(2 5 4)(6)(7 17 12)(8)(9 16 11)(10)(13)(14)(15)(19)